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/**
* CHRONOFORMS version 4.0
* Copyright (c) 2006 - 2011 Chrono_Man, ChronoEngine.com. All rights reserved.
* Author: Chrono_Man (ChronoEngine.com)
* @license		GNU/GPL
* Visit http://www.ChronoEngine.com for regular updates and information.
**/
/* ensure that this file is not called from another file */
defined('_JEXEC') or die('Restricted access');
class ChronoFormsAdminVersion extends JObject{
	
	function __construct(){
		
	}
			
	function __getValStatus(){
		global $mainframe;
		$database = JFactory::getDBO();
		$database->setQuery("SELECT * FROM #__components WHERE `parent`='0' AND `option`='com_chronoforms' AND `admin_menu_link`='option=com_chronoforms'");
		$result = $database->loadObject();
		if(!empty($result)){
			$params = new JParameter($result->params);
			return (bool)$params->get('licensevalid', 0);
		}else{
			return false;
		}
	}

	function validatelicense(){
		if(isset($_POST['instantcode'])){
			ChronoFormsAdminVersion::validatelicensedata();
		}else{
			$database = JFactory::getDBO();
			$query = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
			$database->setQuery( $query );
			$result = $database->loadObject();
			$params = new JParameter($result->params);
			HTML_Admin_ChronoForms::validatelicense($params);
		}
	}

	function validatelicensedata(){
		global $mainframe;
		preg_match('/http(s)*:\/\/(.*?)\//i', $mainframe->getSiteURL(), $matches);
		$database = JFactory::getDBO();
		$query     = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
		$database->setQuery( $query );
		$result = $database->loadObject();
		//$configs = JComponentHelper::getParams('com_chronoforms');
		$configs = new JParameter($result->params);
		$postfields = array();
		if(isset($_POST['licensecode']) && !empty($_POST['licensecode'])){
			$configs->set('licensecode', $_POST['licensecode']);
		}
		$postfields['license_key'] = $configs->get('licensecode', '');
		$postfields['domain_name'] = $matches[2];
		$postfields['pid'] = $_POST['pid'];
		$validstatus = false;
		
		if(empty($postfields['license_key'])){
			$mainframe->redirect("index.php?option=com_chronoforms&task=validatelicense", 'You didn\'t enter your validation key.');
		}
		
		if(trim(JRequest::getVar('instantcode')) && $configs->get('licensecode', '')){
			$step1 = base64_decode(trim(JRequest::getVar('instantcode')));
			$step2 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), 0, 7), '', $step1);
			$step3 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), - strlen(md5(str_replace('www.', '', strtolower($matches[2])))) + 7), '', $step2);
			$step4 = str_replace(substr($configs->get('licensecode', ''), 0, 10), '', $step3);
			$step5 = str_replace(substr($configs->get('licensecode', ''), - strlen($configs->get('licensecode', '')) + 10), '', $step4);
			//echo (int)$step5;return;
			//if((((int)$step5 + (24 * 60 * 60)) > strtotime(date('d-m-Y H:i:s')))||(((int)$step5 - (24 * 60 * 60)) < strtotime(date('d-m-Y H:i:s')))){
			if(((int)$step5 < (strtotime("now") + (24 * 60 * 60)))&&((int)$step5 > (strtotime("now") - (24 * 60 * 60)))){
				$query = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
				$database->setQuery( $query );
				$result = $database->loadObject();
				$newline = "\n";
				if($result){
					$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
					$database->setQuery( "UPDATE `#__components` SET params='".$newparams."' WHERE id='".$result->id."'");
					if (!$database->query()) {
						JError::raiseWarning(100, $database->getErrorMsg());
						$mainframe->redirect( "index.php?option=com_chronoforms" );
					}
				}
				$mainframe->redirect( "index.php?option=com_chronoforms", 'Your key was validated successfully' );
			}else{
				//$mainframe->redirect( "index.php?option=com_chronoforms", 'Invalid instant code' );
			}
		}
		
		if(function_exists('fsockopen')){	
			$validstatus = ChronoFormsAdmin::validationconnect('http', 'www.chronoengine.com', $port='80', $path='/index.php?option=com_chronocontact&task=extra&chronoformname=validateLicense', $postfields);
		}
		
		if((!$validstatus)||($validstatus == 'error')||!function_exists('fsockopen')){
			if (!function_exists('curl_init')){
				$validstatus = false;
			}else{
				$fields = ''; 
				$ch = curl_init();
				//$postfields = array();
				foreach( $postfields as $key => $value ) $fields .= "$key=" . urlencode( $value ) . "&";			
				curl_setopt($ch, CURLOPT_URL, 'http://www.chronoengine.com/index.php?option=com_chronocontact&task=extra&chronoformname=validateLicense');
				curl_setopt($ch, CURLOPT_HEADER, 0);
				curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
				curl_setopt($ch, CURLOPT_TIMEOUT, 10);
				curl_setopt($ch, CURLOPT_POSTFIELDS, rtrim( $fields, "& " ));
				if($configs->get('curlproxy', '')){
					curl_setopt($ch, CURLOPT_PROXY, $configs->get('curlproxy'));
				}
				$output = curl_exec($ch);
				curl_close($ch);
				$validstatus = $output;
			}
		}
		//return $validstatus;
		if($validstatus == 'valid'){
			if($configs->get('licensecode', '')){
				//if(!$configs->get('licensevalid', '')){
					$query     = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
					$database->setQuery( $query );
					$result = $database->loadObject();
					$newline = "\n";
					if($result){
						$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
						$database->setQuery( "UPDATE `#__components` SET params='".$newparams."' WHERE id='".$result->id."'");
						if (!$database->query()) {
							JError::raiseWarning(100, $database->getErrorMsg());
							$mainframe->redirect( "index.php?option=com_chronoforms" );
						}
					}
				//}
			}
			$mainframe->redirect( "index.php?option=com_chronoforms", 'Your Install was validated successfully' );
		}else if($validstatus == 'invalid'){
			$query     = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
			$database->setQuery( $query );
			$result = $database->loadObject();
			$newline = "\n";
			if($result){
				$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=0';
				$database->setQuery( "UPDATE `#__components` SET params='".$newparams."' WHERE id='".$result->id."'");
				if (!$database->query()) {
					JError::raiseWarning(100, $database->getErrorMsg());
					$mainframe->redirect( "index.php?option=com_chronoforms" );
				}
			}
			$mainframe->redirect( "index.php?option=com_chronoforms", 'We couldn\'t validate your key because of some wrong data used' );
		}else{
			if(trim(JRequest::getVar('instantcode'))){
				$step1 = base64_decode(trim(JRequest::getVar('instantcode')));
				$step2 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), 0, 7), '', $step1);
				$step3 = str_replace(substr(md5(str_replace('www.', '', strtolower($matches[2]))), - strlen(md5(str_replace('www.', '', strtolower($matches[2])))) + 7), '', $step2);
				$step4 = str_replace(substr($configs->get('licensecode', ''), 0, 10), '', $step3);
				$step5 = str_replace(substr($configs->get('licensecode', ''), - strlen($configs->get('licensecode', '')) + 10), '', $step4);
				//echo (int)$step5;return;
				//if((((int)$step5 + (24 * 60 * 60)) > strtotime(date('d-m-Y H:i:s')))||(((int)$step5 - (24 * 60 * 60)) < strtotime(date('d-m-Y H:i:s')))){
				if(((int)$step5 < (strtotime("now") + (24 * 60 * 60)))&&((int)$step5 > (strtotime("now") - (24 * 60 * 60)))){
					$query     = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
					$database->setQuery( $query );
					$result = $database->loadObject();
					$newline = "\n";
					if($result){
						$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=1';
						$database->setQuery( "UPDATE `#__components` SET params='".$newparams."' WHERE id='".$result->id."'");
						if (!$database->query()) {
							JError::raiseWarning(100, $database->getErrorMsg());
							$mainframe->redirect( "index.php?option=com_chronoforms" );
						}
					}
					$mainframe->redirect( "index.php?option=com_chronoforms", 'Your key was validated successfully' );
				}else{
					$mainframe->redirect( "index.php?option=com_chronoforms", 'Invalid instant code' );
				}
			}else{
				$query = "SELECT * FROM `#__components` WHERE `option` = 'com_chronoforms' AND parent='0' AND admin_menu_link='option=com_chronoforms'";
				$database->setQuery( $query );
				$result = $database->loadObject();
				$newline = "\n";
				if($result){
					$newparams = 'showtipoftheday='.$configs->get('showtipoftheday', 1).$newline.'licensecode='.$configs->get('licensecode', '').$newline.'licensevalid=0';
					$database->setQuery("UPDATE `#__components` SET params='".$newparams."' WHERE id='".$result->id."'");
					if (!$database->query()) {
						JError::raiseWarning(100, $database->getErrorMsg());
						$mainframe->redirect( "index.php?option=com_chronoforms" );
					}
				}
				$mainframe->redirect( "index.php?option=com_chronoforms", 'We couldn\'t validate your key because your hosting server doesn\'t have neither the CURL library nor the fsockopen functions or they may exist but don\'t function properly, please contact your host admin to fix them or contact us <a href="http://www.chronoengine.com/contactus.html">here</a> Or at this email address : webmaster@chronoengine.com' );
			}
		}
	}
	
}
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